The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 26, 2019
Filed:
Feb. 26, 2015
Applicant:
Rhodia Operations, Paris, FR;
Inventors:
Laurent Guy, Rillieux-la-Pape, FR;
Sylvaine Neveu, Paris, FR;
Cédric Boivin, Chasselay, FR;
Eric Perin, Villefranche sur Saône, FR;
Anne-Laure Pinault, Fresnes, FR;
Assignee:
RHODIA OPERATIONS, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01); C09C 1/30 (2006.01); C01B 33/193 (2006.01); C08K 3/36 (2006.01); B60C 1/00 (2006.01); C08L 9/06 (2006.01);
U.S. Cl.
CPC ...
C09C 1/3063 (2013.01); B60C 1/00 (2013.01); C01B 33/193 (2013.01); C08K 3/36 (2013.01); C08L 9/06 (2013.01); C09C 1/30 (2013.01); C09C 1/3045 (2013.01); C09C 1/3072 (2013.01); C01P 2006/12 (2013.01); C01P 2006/90 (2013.01); C08K 2201/006 (2013.01); C08L 2205/02 (2013.01);
Abstract
A precipitated silica having a CTAB specific surface in the range of from 50 to 300 m/g; a BET/CTAB specific surface ratio equal to or greater than 1.3 and comprising at least one polycarboxylic acid.